计算机病毒系一小撮存心不良的黑客所为，这些人纯属为了搞恶作剧而编造有毒软件。
The creations of a small coterie of malicious hackers who invent toxic software for the sheer deviltry of it.
介绍了一种基于LONWORKS总线的有毒气体智能仪表的工作原理、硬件电路设计和软件设计。
To introduce a kind of toxic gas detection intelligent instrument based on LONWORKS, including its functional principle, hardware circuit and software design.
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